xref: /llvm-project/llvm/test/CodeGen/LoongArch/fp-trunc-store.ll (revision 5593d363560dbf470317a1db26829ce208bf37fb)
1; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
2; RUN: llc --mtriple=loongarch32 --mattr=+f,-d < %s | FileCheck %s --check-prefix=LA32F
3; RUN: llc --mtriple=loongarch32 --mattr=+d < %s | FileCheck %s --check-prefix=LA32D
4; RUN: llc --mtriple=loongarch64 --mattr=+f,-d < %s | FileCheck %s --check-prefix=LA64F
5; RUN: llc --mtriple=loongarch64 --mattr=+d < %s | FileCheck %s --check-prefix=LA64D
6
7define void @fp_trunc(ptr %a, double %b) nounwind {
8; LA32F-LABEL: fp_trunc:
9; LA32F:       # %bb.0:
10; LA32F-NEXT:    addi.w $sp, $sp, -16
11; LA32F-NEXT:    st.w $ra, $sp, 12 # 4-byte Folded Spill
12; LA32F-NEXT:    st.w $fp, $sp, 8 # 4-byte Folded Spill
13; LA32F-NEXT:    move $fp, $a0
14; LA32F-NEXT:    move $a0, $a1
15; LA32F-NEXT:    move $a1, $a2
16; LA32F-NEXT:    bl %plt(__truncdfsf2)
17; LA32F-NEXT:    fst.s $fa0, $fp, 0
18; LA32F-NEXT:    ld.w $fp, $sp, 8 # 4-byte Folded Reload
19; LA32F-NEXT:    ld.w $ra, $sp, 12 # 4-byte Folded Reload
20; LA32F-NEXT:    addi.w $sp, $sp, 16
21; LA32F-NEXT:    ret
22;
23; LA32D-LABEL: fp_trunc:
24; LA32D:       # %bb.0:
25; LA32D-NEXT:    fcvt.s.d $fa0, $fa0
26; LA32D-NEXT:    fst.s $fa0, $a0, 0
27; LA32D-NEXT:    ret
28;
29; LA64F-LABEL: fp_trunc:
30; LA64F:       # %bb.0:
31; LA64F-NEXT:    addi.d $sp, $sp, -16
32; LA64F-NEXT:    st.d $ra, $sp, 8 # 8-byte Folded Spill
33; LA64F-NEXT:    st.d $fp, $sp, 0 # 8-byte Folded Spill
34; LA64F-NEXT:    move $fp, $a0
35; LA64F-NEXT:    move $a0, $a1
36; LA64F-NEXT:    bl %plt(__truncdfsf2)
37; LA64F-NEXT:    fst.s $fa0, $fp, 0
38; LA64F-NEXT:    ld.d $fp, $sp, 0 # 8-byte Folded Reload
39; LA64F-NEXT:    ld.d $ra, $sp, 8 # 8-byte Folded Reload
40; LA64F-NEXT:    addi.d $sp, $sp, 16
41; LA64F-NEXT:    ret
42;
43; LA64D-LABEL: fp_trunc:
44; LA64D:       # %bb.0:
45; LA64D-NEXT:    fcvt.s.d $fa0, $fa0
46; LA64D-NEXT:    fst.s $fa0, $a0, 0
47; LA64D-NEXT:    ret
48  %1 = fptrunc double %b to float
49  store float %1, ptr %a, align 4
50  ret void
51}
52